887340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 2596608

約数和(自身を除く): 1709268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 643, 690, 1286, 1380, 1929, 2572, 3215, 3858, 6430, 7716, 9645, 12860, 14789, 19290, 29578, 38580, 44367, 59156, 73945, 88734, 147890, 177468, 221835, 295780, 443670, 887340]

約数ペア:

[(1, 887340), (2, 443670), (3, 295780), (4, 221835), (5, 177468), (6, 147890), (10, 88734), (12, 73945), (15, 59156), (20, 44367), (23, 38580), (30, 29578), (46, 19290), (60, 14789), (69, 12860), (92, 9645), (115, 7716), (138, 6430), (230, 3858), (276, 3215), (345, 2572), (460, 1929), (643, 1380), (690, 1286)]